| TETRA TECH, INC.REGION 5, SUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM VI (START VI). THIS TASK ORDER IS FOR WORK AT THE LASALLE ELECTRICAL UTILITIES SITE. | 541620 | IL | $265,929 | Jun 30, 202821 mo 1 offer | |
| WESTON SOLUTIONS INCR10 START V: OIL SPILL EMERGENCY RESPONSE #2 | 541620 | WA | $265,632 | Aug 5, 202711 mo | |
| TETRA TECH, INC.THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) HOMESTAKE MINING COMPANY (HOMESTAKE) AS THEY PERFORM AN ENGINEERING EVALUATIONS/COST ANALYSIS (EE/CA) FOR THE MAC & BLACK JACK MINES IN THE | 541620 | NM | $265,624 | Aug 9, 202711 mo | |
| OCH JVESO BEHR DAYTON | 562910 | WI | $265,231 | Jul 31, 202822 mo 4 offers | |
| TETRA TECH, INC.REGION 5, SUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM VI (START VI), THIS INITIAL ORDER IS TO OBLIGATE FUNDS FOR MAIN STREET WELL FIELD SSID: 05D3 IN THE AMOUNT OF $265,011.11. | 541620 | IL | $265,011 | Dec 1, 20263 mo 1 offer | |
| AVANTI CORPORATIONOFFICE OF COMMUNITY REVITALIZATION (OCR) CAPACITY BUILDING ACTIVITIES | 541620 | DC | $264,345 | Nov 25, 202714 mo | |
| BLUESTONE ENVIRONMENTAL GROUP, INC.RAYMARK (0378) REMEDIAL TECHNICAL ASSISTANCE CONTRACT (RTAC) BLUESTONE ENVIRONMENTAL GROUP INC BPA | 541620 | PA | $263,303 | Sep 25, 20260 mo | |
| TETRA TECH, INC.THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) CHEVRON U.S.A. INC. AS THEY FINALIZE AN ENGINEERING EVALUATIONS/COST ANALYSES (EE/CA) FOR THE MARIANO LAKE MINE IN THE EASTERN AGENCY OF THE NA | 541620 | NM | $261,883 | Aug 16, 202711 mo | |
| THE TRAINING CONNECTION INCOPTION YEAR 1 SERVICES FOR THE LEADERS AND LEARNERS MENTORING PROGRAM (LLMP). THE SERVICES ARE IN ACCORDANCE WITH THE TTC'S PRICE QUOTE FOR THE BPA OPTION YEAR 1. THE FUNDING IS BEING PROVIDED BY EACH PROGRAM OFFICE IS PER PARTICIPANT. THE ES | 611430 | VA | $260,242 | Aug 31, 20260 mo | |
| TECHLAW CONSULTANTS INCTASK ORDER | 562910 | VA | $259,391 | Jul 31, 202822 mo 1 offer | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.GEOS4 SUPPORT FOR UNION CARBIDE, SITE B LANDFILL SUPERFUND SITE (SSID 05F4). | 541620 | MD | $257,847 | Sep 8, 202712 mo | |
| ENVIRONMENTAL RESTORATION LLCREGION 6, (ERRS V); TASK ORDER FOR THE EMERGENCY RESPONSE SWEENY ORPHANED WELL SITE: (V6ZA) FOR $257,000.00. | 562910 | TX | $257,000 | Aug 21, 20260 mo 1 offer | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.SOUTHEAST ROCKFORD GROUNDWATER CONTAMINATION SUPERFUND SITE SITEWIDE SUPPORT UNDER GEOS4 BPA. | 541620 | MD | $256,424 | Sep 8, 202712 mo | |
| TECHLAW CONSULTANTS INCTASK ORDER JOLIET ARMY AMMUNITION PLANT SITES, JOLIET, IL | 562910 | VA | $255,059 | Jul 31, 202822 mo 3 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCTASK ORDER AWARD FOR VALLEY PIKE SUPERFUND SITE | 562910 | MD | $253,486 | Jul 31, 202822 mo 2 offers | |
| S.S. PAPADOPULOS & ASSOCIATES, INC.REGION 5, GROUNDWATER EVALUATION AND OPTIMIZATION SUPPORT (GEOS) PRIMARILY FOR SUPERFUND REMEDIAL PROJECT MANAGERS (RPMS). GEOS4 SUPPORT FOR FOREST WASTE PRODUCTS SUPERFUND SITE (SSID: 05D5). | 541620 | MI | $250,423 | Sep 8, 202712 mo | |
| NORTH CAROLINA STATE UNIVERSITYSIMPLIFIED ACQUISITION: PREDICTIVE CHEMICAL MODELS FOR INCINERATION OF NOVICHOK AGENTS; HS.406.1.4.2 | 541990 | NC | $249,999 | Dec 31, 20263 mo 1 offer | |
| WESTON SOLUTIONS INCR10 START V: BOOMSNUB/AIRCO REMEDIAL INVESTIGATION (RI) | 541620 | WA | $249,944 | Aug 5, 202711 mo | |
| WATERS TECHNOLOGIES CORPORATIONSMA WITH OPTION YEARS FOR THE WATERS XEVOS TQ-XS LC/MS/MS SYSTEM | 334516 | OH | $249,475 | Sep 30, 20260 mo 1 offer | |
| OCH JVTASK ORDER FOR THE ESO FORMER OSHKOSH MANUFACTURED GAS PLANT | 562910 | WI | $248,210 | Jul 31, 202822 mo 1 offer | |
| WESTON SOLUTIONS INCR10 START V: COSMO SPECIALTY FIBERS 2025 REMOVAL SITE EVALUATION (RSE) | 541620 | WA | $246,301 | Aug 5, 202711 mo | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCNEW RAF ESO TASK ORDER FOR BILLINGS PCE OU1&2, RI/FS THRU ROD. | 562910 | CO | $242,436 | Apr 30, 20277 mo 3 offers | |
| HELIOTECHCARPENTER SNOW CREEK OU2/OU3 - RAF ESO | 562910 | MT | $241,264 | Jan 28, 202816 mo 1 offer | |
| DAWSON-HDR SERVICES JV, LLCR10 ESO: COMMUNITY INVOLVEMENT TECHNICAL SUPPORT SERVICES AT VARIOUS R10 SUPERFUND SITES | 562910 | WA | $240,849 | Feb 28, 20275 mo 2 offers | |
| AGILE DECISION SCIENCES, LLCLIBRARY SUPPORT SERVICES ACESD INFORMATION MANAGEMENT CENTER SERVICES (IMCS) V | 541990 | DC | $240,609 | May 31, 202820 mo 2 offers | |
| AGILENT TECHNOLOGIES INCAGILENT TECHNOLOGIES CORPORATION SERVICE LEVEL AGREEMENT FOR GOVERNMENT-OWNED LABORATORY EQUIPMENT. | 334516 | CO | $239,991 | Sep 2, 20260 mo | |
| TELEDYNE FLIR COMMERCIAL SYSTEMS INC.PURCHASE OF 2 FLIR GX620 HIGH RESOLUTION OPTICAL GAS IMAGING CAMERAS. | 334310 | NC | $237,546 | Aug 1, 202711 mo 1 offer | |
| WESTON-TECHLAW JV LLCTHIS ACTION FUNDS NEW WORK ON REAC CONTRACT # 68HE0321D0001. | 541620 | VA | $236,675 | Sep 20, 20260 mo | |
| CLIFFORD CHANCE US LLPWATER INFRASTRUCTURE FINANCE AND INNOVATION ACT (WIFIA) LEGAL ADVISORY SERVICES | 541110 | DC | $235,000 | Oct 31, 202713 mo 5 offers | |
| AMENTUM TECHNOLOGY, INC.CONTRACT 68HERC24D0008-SUPPORT SERVICES FOR VEHICLE AND ENGINE TESTING, TASK ORDER 68HERC25F0046: TIRE TESTING FOR USEPA SMARTWAY PROGRAM | 541330 | MI | $234,003 | Nov 4, 20262 mo | |
| HELIOTECHIMPLEMENT LONG-TERM REMEDIAL ACTION (LTRA) ACTIVITIES AT THE SANFORD DRY CLEANERS SITE LOCATED IN SEMINOLE COUNTY, FL. R4 RAF, EARLY ADOPTER FOR ESO | 562910 | FL | $233,966 | Sep 30, 20260 mo 12 offers | |
| WESTON SOLUTIONS INCR10 START V: UTICA MINE TECHNICAL AND COMMUNITY SUPPORT | 541620 | AK | $233,299 | Aug 5, 202711 mo | |
| OCH JVTASK ORDER | 562910 | WI | $232,408 | Jul 31, 202822 mo 1 offer | |
| THE CADMUS GROUP LLCR425 - UIC PROGRAM IMPLEMENTATION SUPPORT | 541620 | MA | $229,645 | Nov 20, 20262 mo | |
| WESTON SOLUTIONS INCR10 START V: J. H. BAXTER SUPERFUND SITE REMEDIAL INVESTIGATION (RI) | 541620 | WA | $225,184 | Aug 5, 202711 mo | |
| AGILENT TECHNOLOGIES INCSERVICE MAINTENANCE AGREEMENT FOR AGILENT QTOF MS AND LC SYSTEM. | 334516 | NC | $224,205 | Sep 30, 20260 mo 1 offer | |
| WESTON SOLUTIONS INCSTART V TASK ORDER TITLE: REGION 6 START V COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT (CERCLA) TASK ORDER THE PURPOSE OF THIS TASK ORDER IS FOR EMERGENCY RESPONSE, READINESS, REMOVAL ASSESSMENT, REASSESSMENT, AND PRP REMOV | 541620 | TX | $223,942 | Aug 7, 202823 mo | |
| ILLUMINA, INC.ANNUAL LICENSES AND MAINTENANCE FOR THE PARTEK GENOMICS SUITE AND PATHWAY SOFTWARE, BASE PLUS TWO (2) OPTION YEARS | 541511 | CA | $221,650 | Sep 30, 20260 mo 1 offer | |
| TECHLAW CONSULTANTS INCRAF-ESO TASK ORDER FOR FEDERAL FACILITIES OVERSIGHT AT ALAMEDA NAS & RBAAP | 562910 | CA | $220,284 | Sep 2, 20260 mo 1 offer | |
| TECHLAW CONSULTANTS INCSAVANNA TASK ORDER | 562910 | VA | $220,059 | Jul 31, 202822 mo 3 offers | |
| BATTA ENVIRONMENTAL ASSOCIATES INCCALL ORDER #5 - PHASE II ESA AT THE NORTHERN PORTION OF LEHIGH STEEL IN ALLENTOWN PA UNDER THE TARGETED BROWNFIELDS ASSESSMENT | 541620 | PA | $219,347 | Aug 7, 202823 mo | |
| AGILENT TECHNOLOGIES INC3.1B LS113 COR DAVID TOLBERT 68HERH23A0002 AGILENT RENEW A ONE-YEAR FULL-SERVICE AGREEMENT FOR ON-SITE AGILENT INSTRUMENTS, INCLUDING TWO LC/QQQ, TWO LC/QTOF, 10 GC/MS INSTRUMENTS, AND ONE UV/VIS SPECTROMETER. FY23 C/O | 334516 | DE | $216,981 | Jul 31, 202710 mo | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCTHE PURPOSE OF THIS TASK ORDER IS TO OPERATE AND MAINTAIN RESIDENTIAL AND COMMERCIAL DRINKING WATER POINT-OF ENTRY TREATMENT SYSTEMS (POETS) AND CONDUCT PERIODIC DRINKING WATER SAMPLING ACTIVITIES AT THE CRYOCHEM SUPERFUND SITE (SITE), OPERABLE UNIT | 562910 | MD | $214,392 | Jul 10, 202710 mo 1 offer | |
| TECHLAW CONSULTANTS INCESO: LAMMER'S BARRELL | 562910 | VA | $214,053 | Jul 31, 202822 mo 4 offers | |
| TECHLAW CONSULTANTS INCTASK ORDER NIROP | 562910 | VA | $213,515 | Jul 31, 202822 mo 2 offers | |
| EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBCESO TASK ORDER FOR OVERSIGHT AND TECHNICAL ASSISTANCE (TA) AT YOSEMITE CREEK SEDIMENT SUPERFUND SITE | 562910 | CA | $211,536 | Jul 14, 202710 mo 1 offer | |
| PEGASUS TECHNICAL SERVICES, INCNEW TASK ORDER UNDER IDIQ CONTRACT #68HERC20D0029, TITLED "MITIGATION OF LEACHATE AND EROSION FROM MINING SITES: EVALUATION OF SURFACE COATING TECHNOLOGY". | 541715 | OH | $205,014 | Aug 31, 20260 mo | |
| TECHLAW CONSULTANTS INCTASK ORDER | 562910 | IN | $204,810 | Jul 31, 202710 mo 2 offers | |
| FEDERAL EXPRESS CORPORATIONDOMESTIC AND INTERNATIONAL TRANSPORTATION SERVICES UNDER USTRANSCOM GWAC CONTRACT#NGDS-2 | 492110 | DC | $204,164 | Sep 30, 20260 mo 1 offer | |
| ICF INCORPORATED, L.L.C.PSC R425: TECHNICAL, ENVIRONMENTAL, AND ECONOMIC VALUATION SUPPORT AND TECHNICAL TRAININGS/PROGRAM CONSULTATION FOR THE NATIONAL ESTUARY PROGRAM | 541611 | VA | $203,485 | Aug 28, 20260 mo | |